[Class : 42] Research In The Field Of Natural Science; Technological Consultancy In The Field Of Monitoring Technical Functions And Testing Of Gas Installations, Gas Measuring, Gas Detection And Gas Monitoring Instruments, Devices And Controls For Gases And Water, Pressure Regulators, Computer Software, Sensors, Gas Pressure Sensors, Gas Meters, Gas Detectors, Gas Alarms, Gas Pipes, Gas Installations, Gas Regulating, Shut Off And Switching Valves And Parts Therefor, Regulating Valves, Control Valves And Shut Off Valves As Well As Controls For Gas Pipes, Gas Installations And Gas Containers; Technological Consultancy In The Field Of Monitoring Technical Functions And Testing Of Filters For Waste Gas Purification, Gas Filters, Separators For Scrubbing Gas, Separators For Scrubbing Air, Hose Rupture Safety Devices In The Nature Of Safety Accessories For Gas Installations, Gas Lamps, Gas Heaters, Regulating And Safety Accessories; Information, Consultancy And Advisory Services Relating To All The Aforesaid Services.